Sound spring toy



FIG. 1 is a front elevational view of a sound spring toy showing my new design, the rear elevational view and the top and bottom plan views being identical;

FIG. 2 is a right side elevational view thereof, the left side elevational view being identical, and

FIG. 3 is a cross sectional view thereof, taken in the direction of the arrows along line 3--3 of FIG. 1. 

The ornamental design for a sound spring toy, as shown and described. 